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|WINTER WEATHER SAFETY LINKS|
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Carbon Monoxide Dangers in Winter
Downed Power Lines Mean Danger
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In the northern hemisphere, the Winter solstice is the shortest day of the year (near December 22) when the Sun is farthest south. However, in the southern hemisphere, winter and summer solstices are exchanged so that the winter solstice is the day on which the Sun is farthest north. The winter solstice marks the first day of the season of winter. The declination of the Sun on the (northern) winter solstice is known as the tropic of capricorn ( -23"27' ).
The winter solstice is the shortest day of the year, respectively, in the sense that the length of time elapsed between sunrise and sunset on this day is a minimum for the year. Of course, daylight saving time means that the first Sunday in April has 23 hours and the last Sunday in October has 25 hours, but these human meddlings with the calendar and do not correspond to the actual number of daylight hours. In Chicago, there are 9:20 hours of daylight on the winter solstice of December 22, 1999.